Fetal heart rate doppler



FIG. 1 is a front view of a fetal heart rate doppler of the new design;

FIG. 2 is a back view of the fetal heart rate doppler;

FIG. 3 is a left view of the fetal heart rate doppler;

FIG. 4 is a right view of the fetal heart rate doppler;

FIG. 5 is a top view of the fetal heart rate doppler;

FIG. 6 is a bottom view of the fetal heart rate doppler;

FIG. 7 is a perspective view of the fetal heart rate doppler; and,

FIG. 8 is another perspective view of the fetal heart rate doppler. 

CLAIM The ornamental design for a fetal heart rate doppler, as shown and described. 